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6x2 - 4x (6/2)x2 - (4/2)x = 3x2 - 2x ========
if: 6x - 7y = 10 then -7y = 10 - 6x y = 6x/7 - 10/7 The slope is now the coefficient of x, which is 6/7.
14y - 2x = 28 ie 7y - x = 14 ie 7y = x + 14 or y = (1/7)x + 14 The slope is the coefficient of x, or 1/7
7y-42=28 ==> 7y=42+28 => y=70/7. => 10
It is simply: 7y+46 or 7y-46